IAG 1000+ EJ25 Closed Deck Long Block w/ Stage 5 Heads

RallySport Direct now carries highly sought-after high-performance upgrades and accessories brought to you by IAG Performance. 

On this page, you are looking at the IAG 1000+ Long Block. This package is a complete, valve cover to valve cover, crate engine. It is the perfrect option for ease of installation and gives you a premier drop in engine. This kit will support up to 1000+BHP applications. IAG's break-in instructions MUST be followed and the package must be professionally installed for the 12 month / 12k mile warranty to be applicable. All IAG Short Blocks are balanced and blueprinted.

Here is what the package contains:

Stage 4 Extreme Closed Deck Includes:

Case Halves - Converted to Closed Deck from brand new OEM Subaru case halves, bored and honed to 99.75mm.

Pinned Mains - Machine case for 9.5mm pinned mains and lined honed.

Fire-Lock - IAG Fire-Lock receiver groove machining, latest solution to prevent head gasket failure on high horsepower and high boost Subaru's - *IAG Fire-Lock head gaskets required

Head Studs - Machined for 14mm Head Studs.

Pistons - IAG-Spec JE FSR 99.75mm 2618 Forged Pistons, Electroless Nickel Plated Tops & Ring area, Ring Set, .250" / .927" H13 Wrist Pins, Clips, (Perfect Skirt Coating and Offset Wrist Pins)

Connecting Rods - IAG-Spec Tri-Beam Connecting Rods with ARP 625+ Rod Bolts.

Rod / Main Bearings - ACL or King Race Bearings.

Crank - Billet Crank by Callies

Case / Main Bolts - ARP Main Bolts.

Stage 5 Heads:

Heads - Brand New Subaru OEM WRX STI Cylinder Head Castings

Machine Porting - CNC Ported Intake and Exhaust Runners

Intake Valves - Ferrea 37mm (+1mm) Comp Plus Intake Valves

Exhaust Valves - Ferrea 33mm (+1mm) Comp Plus Exhaust Valves

Springs / Retainers - Ferrea Dual Valve Springs & Titanium Retainers

Keepers - Ferrea Valve Keepers

Guides - Ferrea Copper / Bronze Valve Guides

Valve Seals - Ferrea Valve Stem Seals

Lifters - OEM Lifter Buckets

Camshafts - GSC Stage 3 Billet Camshafts

Multi-Angle Valve Job

Machined Cam Lobe Clearance

Drilled For 14mm Heads Studs

Resurface

Ultrasonic Cleaning

Final Lash

Gaskets, Hardware & Accessories:

Head Studs - IAG / ARP 14mm Set

Head Gaskets - IAG Fire-Lock

Valve Cover Gaskets - OEM

Cam Seals - OEM

Valve Covers - OEM

Wrist Pin Seal, Rear Main Seal & Separator Kit

Crankshaft Woodruff Key